English
Related papers

Related papers: Unsupervised Hadronic SUEP at the LHC

200 papers

SHiP is a newly proposed fixed-target experiment at the CERN SPS with the aim of searching for hidden particles that interact very weakly with SM particles. The work presented in this document investigates SHiP's physics reach in the…

High Energy Physics - Experiment · Physics 2015-07-09 Elena Graverini , Nicola Serra , Barbara Storaci

Presence of nonholomorphic soft SUSY breaking terms is known to be a possibility in the popular setup of the Minimal Supersymmetric Standard Model (MSSM). It has been shown that such a scenario known as NonHolomorphic Supersymmetric…

High Energy Physics - Phenomenology · Physics 2018-11-01 Utpal Chattopadhyay , AseshKrishna Datta , Samadrita Mukherjee , Abhaya Kumar Swain

Searches in final states with two leptons plus missing transverse energy, targeting supersymmetric particles or invisible decays of the Higgs boson, were performed during Run 1 of the LHC. Recasting the results of these analyses in the…

High Energy Physics - Phenomenology · Physics 2015-06-17 G. Belanger , B. Dumont , A. Goudelis , B. Herrmann , S. Kraml , D. Sengupta

We investigate an extension of the Minimal Supersymmetric Standard Model (MSSM) containing a $SU(2)$ Higgs triplet of zero hypercharge and a gauge singlet. We focus on a scenario of this model which allows a light pseudoscalar and/or a…

High Energy Physics - Phenomenology · Physics 2016-04-04 Priyotosh Bandyopadhyay , Claudio Coriano , Antonio Costantini

The search for light scalar and pseudoscalar particles provides a promising avenue for probing physics beyond the Standard Model (SM). In this study, we investigated the exotic decay channels of the 125 GeV SM-like Higgs boson into pairs of…

High Energy Physics - Phenomenology · Physics 2026-03-19 Zhaoxia Heng , Zehan Li , Haijing Zhou

Non-supersymmetric grand unified theories based on SU(5) have had a revival during the past years. This is mainly due to their ability to connect neutrino masses with unification and proton decay. In that way they provide a framework for…

High Energy Physics - Phenomenology · Physics 2012-04-11 Karsten Schnitter

We study an extension of the Standard Model featuring a hidden sector that consists of a new scalar charged under a new SU$(N)_D$ gauge group, singlet under all Standard Model gauge interactions, and coupled with the Standard Model only via…

High Energy Physics - Phenomenology · Physics 2016-01-27 Stefano Di Chiara , Kimmo Tuominen

Confining hidden sectors are an attractive possibility for physics beyond the Standard Model (SM). They are especially motivated by neutral naturalness theories, which reconcile the lightness of the Higgs with the strong constraints on…

High Energy Physics - Phenomenology · Physics 2019-11-14 Hsin-Chia Cheng , Lingfeng Li , Ennio Salvioni , Christopher B. Verhaaren

LHC experiments have placed strong bounds on the production of supersymmetric colored particles (squarks and gluinos), under the assumption that all flavors of squarks are nearly degenerate. However, the current experimental constraints on…

High Energy Physics - Phenomenology · Physics 2015-03-20 Daniele S. M. Alves , Matthew R. Buckley , Patrick J. Fox , Joseph D. Lykken , Chiu-Tien Yu

A compressed spectrum is an anticipated hideout for many beyond standard model scenarios. Such a spectrum naturally arises in the minimal universal extra dimension framework and also in supersymmetric scenarios. Low $p_T$ leptons and jets…

High Energy Physics - Phenomenology · Physics 2017-09-13 Sabyasachi Chakraborty , Saurabh Niyogi , K. Sridhar

In addition to well-motivated scenarios like supersymmetric particles, the so-called exotic matter (quirky matter, hidden valley models, etc.) can show up at the LHC and ILC, by exploring the spectroscopy of high mass levels and decay…

High Energy Physics - Phenomenology · Physics 2012-01-24 J. L. Domenech-Garret

Searches for supersymmetry (SUSY) are very important tasks at the Large Hadron colleder(LHC). If SUSY exists at the TeV scale, clear excess above the Standard Model (SM) background will be observed. SM background should be estimated from…

High Energy Physics - Experiment · Physics 2019-08-14 Takayuki Yamazaki

Supersymmetry is an attractive extension of the standard model of particle physics. It associates to every bosonic degree of freedom a fermionic one and vice versa. Supersymmetry unifies the coupling constants of the electromagnetic, weak…

High Energy Physics - Phenomenology · Physics 2010-07-09 Dirk Zerwas

This Letter proposes a new search for confining dark sectors at the Large Hadron Collider. As a result of the strong dynamics in the hidden sector, dark matter could manifest in proton-proton collisions at the Large Hadron Collider in form…

High Energy Physics - Phenomenology · Physics 2022-09-07 Cesare Cazzaniga , Annapaola de Cosa

We perform a multilepton channel analysis in the context of the Large Hadron Collider (LHC) for Wilkinson Microwave Anisotropy Probe (WMAP) compatible points in a model with non-universal scalar masses, which admits a Higgs funnel region of…

High Energy Physics - Phenomenology · Physics 2010-04-23 Subhaditya Bhattacharya , Utpal Chattopadhyay , Debajyoti Choudhury , Debottam Das , Biswarup Mukhopadhyaya

Exotic spin-$0$ states with unusual couplings with the gauge and matter fields of the Standard Model are worth exploring at the CERN LHC. Though our approach is largely model independent, we take inspiration from flavor models based on some…

High Energy Physics - Phenomenology · Physics 2024-08-26 Gautam Bhattacharyya , Indrani Chakraborty , Dilip Kumar Ghosh , Tapoja Jha , Gourab Saha

We initiate the study of exotic Higgs decays to long-lived particles (LLPs) at proposed future lepton colliders, focusing on scenarios with displaced hadronic final states. Our analysis entails a realistic tracker-based search strategy…

High Energy Physics - Phenomenology · Physics 2019-05-22 Samuel Alipour-Fard , Nathaniel Craig , Minyuan Jiang , Seth Koren

It is important to study extended models containing more than one physical Higgs boson in the spectrum. In particular, Two Higgs Doublet Models (2HDMs) are attractive extensions of the SM, predicting new phenomena with the fewest new…

High Energy Physics - Experiment · Physics 2007-05-23 Pamela Ferrari

This paper provides an overview of supersymmetry (SUSY) and the ongoing efforts to detect SUSY particles at the Large Hadron Collider (LHC). SUSY proposes corresponding "sparticles" for each Standard Model particle, with the potential to…

High Energy Physics - Experiment · Physics 2024-04-29 Sophie Kadan

Conventionally invariant mass or transverse momentum techniques have been used to probe for any formation of some exotic or unusual resonance states in high energy collision. In this work, we have applied symmetry scaling based complex…

High Energy Physics - Phenomenology · Physics 2019-01-18 Susmita Bhaduri , Anirban Bhaduri , Dipak Ghosh
‹ Prev 1 3 4 5 6 7 10 Next ›